version 2.6.1

add: support for "Blend modes" for Map overlay

add: support for IconStyle in KML and better loading of huge KMZ GroundOverlays

chg: restored Online access to OVPN-Karte maps

fix: "Map manager" skin, ignored KML styles for tracks, restoring loaded "Items", color of texts in Map chooser for overlays, loading of maps from center of screen, correct zooming and panning of SmartMaps, not working circles and special map items and more